If the lion is considered the king of animals, Tyrannosaurus rex is undoubtedly the king of dinosaurs. In fact, its name means "king of the tyrant lizards"! It was described for the first time in 1905, immediately stealing the limelight from the megalosaur that had until then held centre stage. How many teeth did the T-rex have? What did it eat? Did it live in groups? Where do paleontologists find T-rex fossils? Come and thrill to the answers to all your questions about the king of dinos!